Sumgin Buttress

Sumgin Buttress () is a prominent elevated rock mass 2.5 nautical miles (4.6 km) southwest of

Charpentier Pyramid Charpentier Pyramid () is a pyramid-shaped peak rising to in the northwest part of the Herbert Mountains, Shackleton Range. In association with the names of glacial geologists grouped in this area, it was named by the UK Antarctic Place-Names Com ...

, rising to about 1,100 m on the west side of

Herbert Mountains The Herbert Mountains () are a conspicuous group of rock summits on the east side of Gordon Glacier in the Shackleton Range of Antarctica. They were first mapped in 1957 by the Commonwealth Trans-Antarctic Expedition and named for Sir Edwin S. ...

Shackleton Range The Shackleton Range () is a mountain range in Antarctica that rises to and extends in an east–west direction for about between the Slessor and Recovery Glaciers. Surveys The Commonwealth Trans-Antarctic Expedition (CTAE), which in 1956 s ...

. It was roughly surveyed by the

Commonwealth Trans-Antarctic Expedition The Commonwealth Trans-Antarctic Expedition (CTAE) of 1955–1958 was a Commonwealth-sponsored expedition that successfully completed the first overland crossing of Antarctica, via the South Pole. It was the first expedition to reach the South ...

of 1957 and was photographed from the air by the

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Department of Defense. It is the world's most powerful navy with the largest displacement, at 4.5 million tons in 2021. It has the world's largest aircraft ...

in 1967. It was resurveyed by the

British Antarctic Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of list of global issues, global issues, and to provide an active prese ...

(BAS) between 1968 and 1971. In association with the names of glacial geologists grouped in this area, it was named by the

United Kingdom Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ...

(UK-APC) in 1971 after (1873–1942), a Russian pioneer in permafrost research. Mountains of Coats Land {{CoatsLand-geo-stub